Question
Usha and Perry started driving from the same place towards the florist at average speeds of 64 km/h and 120 km/h respectively. After some time, they were 70 km apart. How long had they been travelling? Give your answer in mixed number.
2 m

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Usha and Perry started driving from the same place towards the florist at average speeds of 64 km/h and 120 km/h respectively. After some time, they were 70 km apart. How long had they been travelling? Give your answer in mixed number.